Infinite, I rely on training with female characters to become stronger (1-229).

Summary

Li Ya, separated from Rengoku Kyoujurou for passenger safety, is on a train where she encounters the ticket inspector and prepares for an attack from the Blood Demon, Yume, who has the ability to manipulate dreams. Despite knowing the risks, she allows herself to be drawn into a beautiful dream with Dong Fang Shang Can. Meanwhile, Tanjirou attempts to awaken the other passengers and confronts the Blood Demon, ultimately severing its head but realizing the true battle is far from over. As the train derails due to the demon's defeat, Li Ya engages in a fierce fight with a young man wielding a crimson sword. The battle escalates, and as Li Ya prepares to use her swords against him, Rengoku Kyoujurou arrives to assist. However, they are confronted by Upper Moon Three, Akaza, who suddenly attacks Tanjirou, intensifying the conflict.

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